Huawei HCIA-Data Center Facility(Huawei Certified ICT Associate-Data Center Facility) - H12-411-ENU Exam Questions
QUESTION NO: 1
During the construction process, what should the nitrogen bottle operation be equipped with specially? (Multiple choice)
During the construction process, what should the nitrogen bottle operation be equipped with specially? (Multiple choice)
Correct Answer: A,B,D
QUESTION NO: 2
In the dynamic environment monitoring system, the user queries the alarm information of the cooling equipment through ( ) function.
In the dynamic environment monitoring system, the user queries the alarm information of the cooling equipment through ( ) function.
Correct Answer: D
QUESTION NO: 3
Under the same load conditions, the backup time of the UPS is mainly determined by the battery capacity and the number of battery sections. The larger the battery capacity is, the longer the backup time is.
Under the same load conditions, the backup time of the UPS is mainly determined by the battery capacity and the number of battery sections. The larger the battery capacity is, the longer the backup time is.
Correct Answer: A
QUESTION NO: 4
In Main Inverter mode, the UPS will switch from Main Inverter mode to Static Bypass mode when mains input voltage and frequency exceed the allowable range of the UPS.
In Main Inverter mode, the UPS will switch from Main Inverter mode to Static Bypass mode when mains input voltage and frequency exceed the allowable range of the UPS.
Correct Answer: A
QUESTION NO: 5
Valve-regulated lead-acid battery safety valve has ( ) function. (Multiple choice)
Valve-regulated lead-acid battery safety valve has ( ) function. (Multiple choice)
Correct Answer: A,C,D
QUESTION NO: 6
When AC power equipment are introduced in by using three-phase four-wire system, in addition to the zero line on the near side of the power transformer grounding, electrical equipment and the engine room should be near the ground repeatedly.
When AC power equipment are introduced in by using three-phase four-wire system, in addition to the zero line on the near side of the power transformer grounding, electrical equipment and the engine room should be near the ground repeatedly.
Correct Answer: B
QUESTION NO: 7
The features of UPS are (). (Multiple Choice)
The features of UPS are (). (Multiple Choice)
Correct Answer: A,B,C,D
QUESTION NO: 8
Generally there are two kinds for VAV ventilation, one is through the adjustable air valve, the other is a dedicated ventilation floor plus adjustable fan composition.
Generally there are two kinds for VAV ventilation, one is through the adjustable air valve, the other is a dedicated ventilation floor plus adjustable fan composition.
Correct Answer: A
QUESTION NO: 9
Water-cooling/ethylene glycol air-conditioning refrigerant at the factory has been filled well, on-site installation convenient and quick.
Water-cooling/ethylene glycol air-conditioning refrigerant at the factory has been filled well, on-site installation convenient and quick.
Correct Answer: B
QUESTION NO: 10
There are three different categories of earthing (TN, TT and IT) in low voltage distribution systems. The second capital letter represents ( ).
There are three different categories of earthing (TN, TT and IT) in low voltage distribution systems. The second capital letter represents ( ).
Correct Answer: D
QUESTION NO: 11
ATS Dual Power Automatic Transfer Switch can achieve the switching of two-way power's fast loading machine.
ATS Dual Power Automatic Transfer Switch can achieve the switching of two-way power's fast loading machine.
Correct Answer: A
QUESTION NO: 12
Huawei chilled water air conditioner rely on which to adjust the water flow?
Huawei chilled water air conditioner rely on which to adjust the water flow?
Correct Answer: D
